This morning (May 29th 2016) I tested the Mirywell 3D pen that I have at home. I worked with ABS plastic and used black, green and yellow. The structures are made so the tree could stand on its own. Here are some photos of the final result:

Here are the scan’s of the handwritten answers by Carlo Pittore in the Mail-Interview I did with him. You can access the text-version at: http://iuoma.org/blog_new_2015/2015/06/13/mail-interview-with-carlo-pittore-usa/ Carlo Pittore has a specific handwriting always with pen and ink. Als he decorated the envelopes I sent the questions in and returned them to me. You can click on the individual images to enlarge: